Nike Air Zoom Alphaflys men’s 9

The Nike Air Zoom Alphafly Next% is an elite marathon racing shoe built for speed and long-distance endurance, featuring a thick 40mm sole, bouncy ZoomX foam, a carbon-fiber plate, and two air pockets in the front.Key SpecificationsWeight: About 7.3 to 8.0 ounces (210g – 227g), depending on your shoe size.Stack Height: 40mm at the heel and 36mm at the front (forefoot), giving an 4mm drop. (Stack height means how thick the cushion is between your foot and the ground).Upper Material: Atomknit, a very light and airy fabric that lets heat escape easily.Performance and RideThe Bounce: The combination of soft foam, a stiff carbon plate, and air pods creates a powerful trampoline effect that pushes you forward.Less Fatigue: The thick cushion absorbs shock and keeps your legs feeling fresh even after running many miles.Best Use: Designed specifically for road racing and fast long runs (like marathons and half-marathons